In EcoStruxure Operator Terminal Expert V3.0 and above global scripts is possible via Block Script.You can find in the screen design folder.
Click on global script, then press on the yellow marked tool chest.You can then see the various available options.
NOTE: on global scripts, you can’t access any kind of screen objects. For this please use the screen script, by switching the view between screen editing and script editing.

Released for: Schneider Electric Egypt and North East Africa